Suddenly the preview of the navigation graph just dissapear. After a deep research I figure out this problem was triggered right after adding the amplify depend
greasemonkey
kill
filesystemobject
asp.net-mvc-5
defaultifempty
risk-analysis
trestle-admin
meteor
ajc
linux-rt
x++
watson-conversation
grunt-contrib-jshint
qtablewidget
flutter-navigation
pine-editor
dismo
tftp
bindvalue
quarkus-qute
python-jedi
rrdtool
pydotplus
dbproj
ninject.web
ihp
xcf
feast
jsforce
code-coverage